40000573, Poniatowski, T544, CADMUS THRUSTING HIS LANCE WITH SUCH FORCE THROUGH THE DRAGON'S NECK, AS TO DRIVE IT DEEP INTO THE TRUNK OF AN OLD OAK, KROMOU, Kromos, Unknown, Prendeville, J.: Explanatory catalogue of the proof-impressions of the antique gems possessed by the late Prince Poniatowski and now in the possession of John Tyrrell, Esq. (1841), Christie's, London, Catalogue des pierres gravées antiques de S.A. le Prince Stanislas Poniatowski ([1830?]-1833), 544, Sardonyx